Home / 143,256.47-214,810.88-64,303.02

Finding the Fourth Proportional to 143,256.47, 214,810.88 and 64,303.02

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Solution

The fourth proportional to 143,256.47, 214,810.88 and 64,303.02 is: 96,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,256.47 : 214,810.88 = 64,303.02 : x
  2. Step 2: Convert to fraction form
    143,256.47/214,810.88 = 64,303.02/x
  3. Step 3: Cross multiply
    143,256.47x = 214,810.88 × 64,303.02
  4. Step 4: Simplify right side
    143,256.47x = 13,812,987,991.34
  5. Step 5: Solve for x
    x = 13,812,987,991.34/143,256.47
  6. Step 6: Final answer
    x = 96,421.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.